145031534 has 8 divisors (see below), whose sum is σ = 219007800. Its totient is φ = 72028936.

The previous prime is 145031533. The next prime is 145031563. The reversal of 145031534 is 435130541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145031533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243044 + ... + 243639.

It is an arithmetic number, because the mean of its divisors is an integer number (27375975).

Almost surely, 2^145031534 is an apocalyptic number.

145031534 is a deficient number, since it is larger than the sum of its proper divisors (73976266).

145031534 is a wasteful number, since it uses less digits than its factorization.

145031534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486834.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145031534 is about 12042.9038856914. The cubic root of 145031534 is about 525.3968687739.

The spelling of 145031534 in words is "one hundred forty-five million, thirty-one thousand, five hundred thirty-four".